Self-adhesive epidermal carbon nanotube electronics for tether-free long-term continuous recording of biosignals
Open accessAbstract
The long-term, continuous, inconspicuous, and noiseless monitoring of bioelectrical signals is critical to the early diagnosis of disease and monitoring health and wellbeing. However, it is a major challenge to record the bioelectrical signals of patients going about their daily lives because of the difficulties of integrating skin-like conducting materials, the measuring system, and medical technologies in a single platform. In this study, we developed a thin epidermis-like electronics that is capable of repeated self-adhesion onto skin, integration with commercial electronic components through soldering, and conformal contact without serious motion artifacts. Using well-mixed carbon nanotubes and adhesive polydimethylsiloxane, we fabricated an epidermal carbon nanotube electronics which maintains excellent conformal contact even within wrinkles in skin, and can be used to record electrocardiogram signals robustly. The electrode is biocompatible and can even be operated in water, which means patients can live normal lives despite wearing a complicated recording system.
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The CNT/aPDMS electrode patch was ultrathin (120 μm), extremely compliant (modulus of 27.5 kPa) and waterproof.
“the resulting electrode patch (Figure 3e) was ultrathin (120 µm), extremely compliant (modulus of 27.5 kPa) and waterproof.”
From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [95]
Nanomaterial-enabled dry electrodes have been demonstrated for wearable and long-term ECG sensing without irritating the skin.
“Nanomaterialenabled dry electrodes have been demonstrated for wearable and long-term ECG sensing without irritating the skin.[92,95,100]”
From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [95]
Only preliminary experiments were performed on biocompatibility of nanomaterials for wearable applications.
“For example, only preliminary experiments were performed on biocompatibility of nanomaterials for wearable applications.[94,95,205]”
From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [95]
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- Authors
- Lee, S. M., Byeon, H. J., Lee, J. H., Baek, D. H., Lee, K. H., Hong, J. S., & Lee, S.-H.
- Affiliations
- Korea University (KR)
- Kangwon National University (KR)
- Soongsil University (KR)
- Corresponding author
- Lee, Sang-Hoon
- Venue
- Scientific Reports
- Published
- 2014-08-15
- Volume
- 4
- Issue
- 1
- Pages
- 6074-6074
- ISSN
- 2045-2322 (ISSN-L)
- PMC
- PMC4133715
- OpenAlex
- W1970992788
- Cited by
- 181
- References
- 34
- Citations by year
- 2026: 6 · 2025: 13 · 2024: 16 · 2023: 18 · 2022: 16 · 2021: 19 · 2020: 19 · 2019: 28 · 2018: 14 · 2017: 20 · 2016: 8 · 2015: 4
- FWCI
- 5.53
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Scientific Reports (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Nanomaterials and Printing Technologies
- Keywords
- epidermal electronics, carbon nanotubes, self-adhesive electrodes, ECG monitoring, polydimethylsiloxane, motion artifacts, biocompatible electrodes, wearable health monitoring
- MeSH terms
- Adhesives, Biocompatible Materials, Electrocardiography, Equipment Design, Humans, Materials Testing, Microelectrodes, Biosensing Techniques, Monitoring, Ambulatory, Nanotubes, Carbon
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